What powers subsurface.co.uk?

Last seen Aug 2026 · 20 technologies across 13 categories

Analytics

Google Analytics
since May 2019

Caching

Litespeed Cache
since May 2021

CDN

cdnjs
since Mar 2025
Cloudflare
since Mar 2025

CMS

WordPress
since May 2019

Databases

MySQL
since May 2019

Font scripts

Font Awesome v5.15.4
since Mar 2025
Twitter Emoji (Twemoji)
since May 2019

Hosting panels

Plesk
since May 2019

JavaScript libraries

Flickity
since Sep 2022
jQuery v3.7.1
since May 2019
jQuery Migrate v3.4.1
since May 2019

Miscellaneous

HTTP/3
since Sep 2022
Open Graph
since Sep 2022
RSS
since Dec 2022

Performance

Priority Hints
since Sep 2023

Programming languages

PHP
since May 2019

Widgets

Buttonizer
since Mar 2025

WordPress plugins

Contact Form 7 v6.1.6
since Feb 2022
Yoast SEO v28.2
since May 2019

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 63% desktop
  • 38% phone
  • United Kingdom

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

1.36 / 10 · ranked #7,882,608 of all domains

4 referring domains · OpenPageRank

Core Web Vitals

LCP1.2 s
CLS0
TTFB1000 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English (United Kingdom)
  • Weight: 1.8 MB · 72 requests
  • WordPress theme: flatsome (child: flatsome-child) · all themes
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on CATALYST2-RDG Catalyst2 RDG (185.136.248.54)
  • Email: subsurface.co.uk
  • Email security: no SPF record, no DMARC record
  • SSL: Let's Encrypt, RSA 2048, expires Oct 2026
  • Common Crawl link graph: rank 27,869,678, 2 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

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